Basin



FIG. 1 is a perspective view of a basin, showing the new design;

FIG. 2 is a perspective view of the basin of FIG. 1;

FIG. 3 is a top plan view of the basin of FIG. 1;

FIG. 4 is a bottom plan view of the basin of FIG. 1;

FIG. 5 is a right side elevational view of the basin of FIG. 1, the left side elevational view being a mirror image thereof; and,

FIG. 6 is a cross-sectional view of the basin of FIG. 5 taken along line 6—6. 

The ornamental design for a basin, as shown and described. 